{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["supported platform", "vulnerable system version", "vulnerability", "vulnerable system owner", "time", "discoverer", "common vulnerabilities and exposures", "vulnerable system"]}], "input": "Total Meltdown Now , if you 're using Windows 7 or Server 2008 R2 and have applied Microsoft 's Meltdown patches , you 'll want to grab and install today 's out - of - band update for CVE -2018-1038 ."}
{"discover vulnerability": []}